Remove a move from the board.

Remove a move from the board. More...

Files
file	unmakemove.c
	Remove a move from the board - source file.
file	unmakemove.h
	Remove a move from the board - header file.
Functions
void	unmakemove_1 (short *bptr, int offset, short *board)
	Remove a move from the board.

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Detailed Description

Remove a move from the board.

The plains are numbered in the following manner:

  plain    top-left    bot-left   top-right   bot-right
          coordinate  coordinate  coordinate  coordinate
  -----   ----------  ----------  ----------  ----------
    0      (0,0,0)     (3,0,0)     (0,3,0)     (3,3,0)       (top vertical)
    1      (0,0,1)     (3,0,1)     (0,3,1)     (3,3,1)
    2      (0,0,2)     (3,0,2)     (0,3,2)     (3,3,2)
    3      (0,0,3)     (3,0,3)     (0,3,3)     (3,3,3)

    4      (0,0,0)     (3,0,0)     (0,0,3)     (3,0,3)       (top horizontal)
    5      (0,1,0)     (3,1,0)     (0,1,3)     (3,1,3)
    6      (0,2,0)     (3,2,0)     (0,2,3)     (3,2,3)
    7      (0,3,0)     (3,3,0)     (0,3,3)     (3,3,3)

    8      (0,0,0)     (3,0,0)     (0,3,3)     (3,3,3)       (top diagonal)
    9      (0,3,0)     (3,3,0)     (0,0,3)     (3,0,3)

   10      (0,0,0)     (0,3,0)     (0,0,3)     (0,3,3)       (side horizontal)
   11      (1,0,0)     (1,3,0)     (1,0,3)     (1,3,3)
   12      (2,0,0)     (2,3,0)     (2,0,3)     (2,3,3)
   13      (3,0,0)     (3,3,0)     (3,0,3)     (3,3,3)

   14      (0,0,0)     (3,3,0)     (0,0,3)     (3,3,3)       (side diagonal)
   15      (3,0,0)     (0,3,0)     (3,0,3)     (0,3,3)

   16      (0,0,0)     (0,3,0)     (3,0,3)     (3,3,3)       (end diagonal)
   17      (3,0,0)     (3,3,0)     (0,0,3)     (0,3,3)
  

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Function Documentation

unmakemove_1 (  short *  bptr, int  offset, short *  board )

Remove a move from the board. Parameters: bptr  short * : address of a plain (&board + 10, 11, 12, or 13) offset  int : offset into *bptr. board  short * : &a_board_1[0] or &b_board_1[0]. Returns: void.

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